diff --git a/0001-fix-now-can-be-used-again-on-nightly.patch b/0001-fix-now-can-be-used-again-on-nightly.patch
new file mode 100644
index 0000000..09efc60
--- /dev/null
+++ b/0001-fix-now-can-be-used-again-on-nightly.patch
@@ -0,0 +1,37 @@
+From ced70c2ff0ea01e7e99ffcfb0431c1326e9b5cb2 Mon Sep 17 00:00:00 2001
+From: Philipp Korber <philippkorber@gmail.com>
+Date: Tue, 7 Nov 2017 13:37:11 +0100
+Subject: [PATCH] fix: now can be used again on nightly
+
+(rust stability gurantees do not apply to
+ crates using deny(warnings) as introducing
+ warnings is not seen as a braking change)
+---
+ src/lib.rs   | 1 +
+ src/parse.rs | 1 +
+ 2 files changed, 2 insertions(+)
+
+diff --git a/src/lib.rs b/src/lib.rs
+index f01d6f2..f9bff72 100644
+--- a/src/lib.rs
++++ b/src/lib.rs
+@@ -452,6 +452,7 @@ macro_rules! names {
+ 
+         #[test]
+         fn test_names_macro_consts() {
++            #[allow(warnings)]
+             use std::ascii::AsciiExt;
+             $(
+             assert_eq!($id.source.to_ascii_lowercase(), $id.source);
+diff --git a/src/parse.rs b/src/parse.rs
+index c61afcf..2fba380 100644
+--- a/src/parse.rs
++++ b/src/parse.rs
+@@ -1,3 +1,4 @@
++#[allow(unused_imports)]
+ use std::ascii::AsciiExt;
+ use std::error::Error;
+ use std::fmt;
+-- 
+2.16.1
+
diff --git a/mime-0.3.5-fix-unused-asciiext.diff b/mime-0.3.5-fix-unused-asciiext.diff
deleted file mode 100644
index 3663fa8..0000000
--- a/mime-0.3.5-fix-unused-asciiext.diff
+++ /dev/null
@@ -1,19 +0,0 @@
-diff -upr mime-0.3.5.asciiext/src/lib.rs mime-0.3.5/src/lib.rs
---- mime-0.3.5.asciiext/src/lib.rs	2017-10-11 13:14:46.000000000 -0700
-+++ mime-0.3.5/src/lib.rs	2018-01-25 20:50:43.497982337 -0800
-@@ -539,6 +539,7 @@ macro_rules! names {
- 
-         #[test]
-         fn test_names_macro_consts() {
-+            #[allow(unused_imports)]
-             use std::ascii::AsciiExt;
-             $(
-             assert_eq!($id.source.to_ascii_lowercase(), $id.source);
-diff -upr mime-0.3.5.asciiext/src/parse.rs mime-0.3.5/src/parse.rs
---- mime-0.3.5.asciiext/src/parse.rs	2017-10-11 12:56:54.000000000 -0700
-+++ mime-0.3.5/src/parse.rs	2018-01-25 20:51:01.185591929 -0800
-@@ -1,3 +1,4 @@
-+#[allow(unused_imports)]
- use std::ascii::AsciiExt;
- use std::error::Error;
- use std::fmt;
diff --git a/rust-mime.spec b/rust-mime.spec
index 7f3dc5e..55f028f 100644
--- a/rust-mime.spec
+++ b/rust-mime.spec
@@ -12,7 +12,8 @@ Summary:        Strongly Typed Mimes
 License:        MIT or ASL 2.0
 URL:            https://crates.io/crates/mime
 Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
-Patch0:         mime-0.3.5-fix-unused-asciiext.diff
+# https://github.com/hyperium/mime/commit/ced70c2ff0ea01e7e99ffcfb0431c1326e9b5cb2
+Patch0:         0001-fix-now-can-be-used-again-on-nightly.patch
 
 ExclusiveArch:  %{rust_arches}